Second Life viewer sources 1.13.2.12

1 files changed, 139 insertions, 0 deletions

diff --git a/linden/indra/llcharacter/llpose.h b/linden/indra/llcharacter/llpose.h
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+/** 
+ * @file llpose.h
+ * @brief Implementation of LLPose class.
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLPOSE_H
+#define LL_LLPOSE_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include <string>
+
+#include "linked_lists.h"
+#include "llmap.h"
+#include "lljointstate.h"
+#include "llassoclist.h"
+#include "lljoint.h"
+#include <map>
+
+
+//-----------------------------------------------------------------------------
+// class LLPose
+//-----------------------------------------------------------------------------
+class LLPose
+{
+        friend class LLPoseBlender;
+protected:
+        typedef std::map<std::string, LLJointState*> joint_map;
+        typedef joint_map::iterator joint_map_iterator;
+        typedef joint_map::value_type joint_map_value_type;
+        
+        joint_map                                       mJointMap;
+        F32                                                     mWeight;
+        joint_map_iterator                      mListIter;
+public:
+        // Iterate through jointStates
+        LLJointState *getFirstJointState();
+        LLJointState *getNextJointState();
+        LLJointState *findJointState(LLJoint *joint);
+        LLJointState *findJointState(const std::string &name);
+public:
+        // Constructor
+        LLPose() : mWeight(0.f) {}
+        // Destructor
+        ~LLPose();
+        // add a joint state in this pose
+        BOOL addJointState(LLJointState *jointState);
+        // remove a joint state from this pose
+        BOOL removeJointState(LLJointState *jointState);
+        // removes all joint states from this pose
+        BOOL removeAllJointStates();
+        // set weight for all joint states in this pose
+        void setWeight(F32 weight);
+        // get weight for this pose
+        F32 getWeight() const;
+        // returns number of joint states stored in this pose
+        S32 getNumJointStates() const;
+};
+
+const S32 JSB_NUM_JOINT_STATES = 4;
+
+class LLJointStateBlender
+{
+protected:
+        LLJointState*   mJointStates[JSB_NUM_JOINT_STATES];
+        S32                             mPriorities[JSB_NUM_JOINT_STATES];
+        BOOL                    mAdditiveBlends[JSB_NUM_JOINT_STATES];
+public:
+        LLJointStateBlender();
+        ~LLJointStateBlender();
+        void blendJointStates(BOOL apply_now = TRUE);
+        BOOL addJointState(LLJointState *joint_state, S32 priority, BOOL additive_blend);
+        void interpolate(F32 u);
+        void clear();
+        void resetCachedJoint();
+
+public:
+        LLJoint mJointCache;
+};
+
+class LLMotion;
+
+class LLPoseBlender
+{
+protected:
+        LLMap<LLJoint*,LLJointStateBlender*> mJointStateBlenderPool;
+        LLLinkedList<LLJointStateBlender> mActiveBlenders;
+
+        S32                     mNextPoseSlot;
+        LLPose          mBlendedPose;
+public:
+        // Constructor
+        LLPoseBlender();
+        // Destructor
+        ~LLPoseBlender();
+        
+        // request motion joint states to be added to pose blender joint state records
+        BOOL addMotion(LLMotion* motion);
+
+        // blend all joint states and apply to skeleton
+        void blendAndApply();
+
+        // removes all joint state blenders from last time
+        void clearBlenders();
+
+        // blend all joint states and cache results
+        void blendAndCache(BOOL reset_cached_joints);
+
+        // interpolate all joints towards cached values
+        void interpolate(F32 u);
+
+        LLPose* getBlendedPose() { return &mBlendedPose; }
+};
+
+#endif // LL_LLPOSE_H
+